Ms West tore into the government for its “cruelty” in attempting to block the Dubs amendment to the Immigration Act which allows unaccompanied children in Calais safe passage to Britain for sanctuary and reunion with their settled relatives.

The role of SUtR and the movement outside Parliament is important in the fight against racism, she added.

“What you do strengthens the arm of MPs in challenging bigotry,” Ms West told conference.

David Rosenberg, whose family fought against Oswald Mosley’s Blackshirts at Cable Street, spoke about a rise in anti-semitism. He said abusive language has changed from being about “Jews and money” to racists openly speaking about “Hitler, the Holocaust and gas ovens.”